244213333540 has 24 divisors (see below), whose sum is σ = 559470546432. Its totient is φ = 88804848480.

The previous prime is 244213333487. The next prime is 244213333547. The reversal of 244213333540 is 45333312442.

It is a junction number, because it is equal to n+sod(n) for n = 244213333496 and 244213333505.

It is not an unprimeable number, because it can be changed into a prime (244213333547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555030084 + ... + 555030523.

It is an arithmetic number, because the mean of its divisors is an integer number (23311272768).

Almost surely, 2^244213333540 is an apocalyptic number.

244213333540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244213333540 is an abundant number, since it is smaller than the sum of its proper divisors (315257212892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244213333540 is a wasteful number, since it uses less digits than its factorization.

244213333540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110060627 (or 1110060625 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 244213333540 its reverse (45333312442), we get a palindrome (289546645982).

The spelling of 244213333540 in words is "two hundred forty-four billion, two hundred thirteen million, three hundred thirty-three thousand, five hundred forty".